Grandmfgcn - Model GM-HDN12 -Heavy Duty Domed Oil level Indicator sight glass plugs

Material Body: Plastic PMMA. Seal: NBR. Reflectors: Plastic PMMA. Resist Tempreature Range:-30`C to 70`C. Pressure Range: 1-5 Bar(0.1MPa to 0.5 MPa). Thread type:,Metric and BSP(G thread). Size: Below you will get the size you wanted.Another size is okay.OEM are welcome. Usage: Pump,Oil Receivers,Gearboxes,Speed Reducer,Compressor and Power Transimission.